after register command, cannot move the component

Hi ,

I have the following code and put to directory  C:\Cadence\SPB_16.3\share\local\pcb\skill. firstly, I click move menu and select a component and type in  command line "move_xy".  

Command > move_xy
last pick:  3197.2  7315.5

Command>

But the selected component did not move and go back to original place.

before register command, I put my code in C:/drive and manually load in skill .

skill>load("c:/move.il")

and click move menu and select component and type function name.

skill>move_location

In there, component can be moved to desired location.

Let me know your comments. In command prompt, why the command did not move the component (it means not affect to selected component). I can only see last pick ...... in command prompt.

Thanks

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axlCmdRegister( "move_xy" 'move_location)
procedure( move_location()
let((xy a b cmd_str)
a= 3197.2

 b=7315.5
cmd_str=sprintf(nil "x %.1f %.1f",a b)
axlShell(cmd_str)
axlShell("done")

))